Operator algebras, free groups and other groups
Recent advances in operator algebras - Orléans, 1992, Astérisque, no. 232 (1995), pp. 121-153.
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     title = {Operator algebras, free groups and other groups},
     booktitle = {Recent advances in operator algebras - Orl\'eans, 1992},
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     pages = {121--153},
     publisher = {Soci\'et\'e math\'ematique de France},
     number = {232},
     year = {1995},
     zbl = {0846.46039},
     mrnumber = {1372530},
     language = {en},
     url = {http://archive.numdam.org/item/AST_1995__232__121_0/}
}
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de la Harpe, Pierre. Operator algebras, free groups and other groups, dans Recent advances in operator algebras - Orléans, 1992, Astérisque, no. 232 (1995), pp. 121-153. http://archive.numdam.org/item/AST_1995__232__121_0/

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